When Should the Officer of the Watch Call the Master?

Relationships Between the Master and Officers: Autonomy vs Responsibility

Upon taking over a navigational watch, the Officer of the Watch (OOW), regardless of rank (3rd, 2nd, or Chief Officer), is legally responsible for the safe navigation of the vessel and compliance with COLREGs. While on the bridge, the OOW is the Master’s representative and must strictly adhere to all standing and night orders.

In turn, when absent from the navigational bridge, the Master must remain fully confident that the duty officer will summon them to the bridge without hesitation whenever the safety of the vessel is compromised or when in doubt.

When Should the OOW Call the Master?

For any Master, the timely report from the Officer of the Watch regarding a situation that requires the Master’s intervention is a critical safety factor. Maritime history contains numerous instances where the OOW allowed a hazardous situation to develop to such an extent that by the time the Master was called to the bridge, it was already too late for any corrective action to alter the outcome.

When to call the Master

We can identify the primary reasons behind such failures:

  1. Failure of the OOW to recognize an developing hazard in a timely manner (due to inadequate situational awareness, fatigue, or distraction).
  2. Psychological deadlock, where the navigator feels that calling a more experienced professional might be perceived as a lack of competence or a sign of personal weakness. This phenomenon occurs both among junior, newly certified mates trying to prove their capabilities, and experienced Chief Officers reluctant to acknowledge a problem they cannot resolve on their own.
  3. Breakdown in Bridge Team Management (BTM) — excessive pressure exerted by the Master on the officers, or an erratic, aggressive reaction to errors and mishaps.

The ultimate countermeasure to these challenges is TRUST. Trust from the Master toward the watchkeeping officers, and trust from the officers toward the Master. Trust is a dynamic relationship built upon continuous professional interaction. It forms the core foundation of the Bridge Team, Leadership, and Team Building.

Officer Autonomy

Indisputably, during a navigational watch, the officer must make independent decisions, as they bear immediate legal responsibility for the safe passage of the vessel. It is worth remembering that every watchkeeper on the bridge is a certified professional whose qualifications are verified in accordance with the STCW Convention. However, the distribution of responsibility between the Master and the officers varies depending on the operational circumstances. A lack of practical experience further complicates this issue.

Every officer, regardless of seniority, must understand and accept that calling the Master to the bridge in a specific scenario is a proactive reassignment of decision-making to a superior authority, and consequently, a reallocation of responsibility. Under no circumstances should this be interpreted as the OOW being relieved of their duties once the Master steps onto the bridge. The emphasis here is that you should not carry the entire burden of an outcome in a situation where your experience or knowledge might be insufficient for full rectification. It is far more professional to report the issue to the person who commands the entire shipboard system and allow them to execute the correct resolution.

Key Reasons to Summon the Master to the Navigational Bridge

Every shipping company provides a comprehensive checklist of circumstances under which the OOW must call the Master to the bridge to avert any danger to the ship. These instructions are explicitly laid out in the vessel’s Safety Management System (SMS) procedures, and compliance is mandatory for every watchkeeping officer.

Below is the standard list of situations where the OOW must immediately call the Master:

  • Risk of collision — typically the primary reason for summoning the Master, particularly in high-density traffic areas.
  • Changes in vessel stability — the occurrence of any unexpected static list, whether in heavy weather or calm seas, requires an immediate report to the Master.
  • Encountering restricted visibility — a mandatory requirement codified in the Master’s Standing Orders.
  • Difficulty in maintaining the required course — when wind, current, or swell intensify to the point where following the planned track becomes impossible.
  • Failure of the main propulsion unit, steering gear, or auxiliary machinery — summoning the Master during such mechanical breakdowns is a standard emergency procedure in any Company’s SMS.
  • Malfunction of primary navigational or radio communication equipment.
  • During maneuvering operations where the watch level is elevated according to the passage plan — such as navigating narrow channels, approaching a pilot station, etc.
  • Sighting a landfall or navigational mark that could pose an immediate hazard.
  • Discovery of unexpected navigational hazards, such as uncharted shoals, icebergs, or derelicts.
  • Sighting a suspicious vessel or skiff heading toward the ship, or detecting a suspicious floating object in a High Risk Area (HRA) prone to piracy.
  • Receipt of an emergency or urgent message from a nearby port or vessel (specifically DISTRESS and URGENCY alerts via GMDSS).
  • Failure to sight land or a navigational mark by the expected time.

Beyond the specific scenarios listed above, the responsible officer must always call the Master in any emergency or whenever any doubt arises regarding the ongoing situation.

Restricted visibility

Master in CONN

Upon arriving on the bridge to resolve an issue, the Master will in most cases take command of the vessel. The Master must clearly and unambiguously notify the bridge team: “I have the conn”. Following this verbal declaration, the OOW must make an immediate entry in the Bridge Logbook, noting the exact time, position, and the statement: “MASTER TOOK OVER THE CONN”.

This entry carries strict legal consequences: from this precise moment, the OOW is relieved of direct responsibility for the vessel’s course and speed.

Note: Any direct order given by the Master to the helmsman or the engine telegraph automatically places the watch team into the “Master Conning” status!

Conclusion:

Summoning the Master to the bridge is not an admission of weakness; it is a fundamental procedure ensuring the overarching safety of the vessel, its cargo, and its crew.

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